| # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/iio/adc/microchip,pac1921.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Microchip PAC1921 High-Side Power/Current Monitor with Anaog Output |
| |
| maintainers: |
| - Matteo Martelli <matteomartelli3@gmail.com> |
| |
| description: | |
| The PAC1921 is a power/current monitoring device with an analog output |
| and I2C/SMBus interface. |
| |
| Datasheet can be found here: |
| https://ww1.microchip.com/downloads/en/DeviceDoc/PAC1921-Data-Sheet-DS20005293E.pdf |
| |
| properties: |
| compatible: |
| const: microchip,pac1921 |
| |
| reg: |
| maxItems: 1 |
| |
| vdd-supply: true |
| |
| "#io-channel-cells": |
| const: 1 |
| |
| shunt-resistor-micro-ohms: |
| description: |
| Value in micro Ohms of the shunt resistor connected between |
| the SENSE+ and SENSE- inputs, across which the current is measured. |
| Value is needed to compute the scaling of the measured current. |
| |
| label: |
| description: Unique name to identify which device this is. |
| |
| read-integrate-gpios: |
| description: |
| READ/INT input pin to control the current state of the device, either in |
| the INTEGRATE state when driven high, or in the READ state when driven low. |
| When not connected the pin is floating and it can be overridden by the |
| INT_EN register bit after asserting the READ/INT_OVR register bit. |
| maxItems: 1 |
| |
| required: |
| - compatible |
| - reg |
| - vdd-supply |
| - shunt-resistor-micro-ohms |
| |
| additionalProperties: false |
| |
| examples: |
| - | |
| i2c { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| adc@4c { |
| compatible = "microchip,pac1921"; |
| reg = <0x4c>; |
| vdd-supply = <&vdd>; |
| #io-channel-cells = <1>; |
| label = "vbat"; |
| shunt-resistor-micro-ohms = <10000>; |
| }; |
| }; |
| ... |
